Derek Baldry

Bib: 10172M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 27%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M45-49)
#0 / 2218
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #6745
Start5K
6:57/mi
21:36 split
10K· 6.21 mi
43:07
Rank: #6421 (+324)
5K10K
6:56/mi
21:31 split
15K· 9.32 mi
1:04:36
Rank: #6151 (+270)
10K15K
6:55/mi
21:29 split
20K· 12.43 mi
1:26:20
Rank: #5841 (+310)
15K20K
7:00/mi
21:44 split
Half· 13.11 mi
1:31:01
Rank: #5785 (+56)
20KHalf
6:52/mi
4:41 split
25K· 15.53 mi
1:48:22
Rank: #5581 (+204)
Half25K
7:09/mi
17:21 split
30K· 18.64 mi
2:11:53
Rank: #5438 (+143)
25K30K
7:34/mi
23:31 split
20M
2:22:47
Rank: #5467 (-29)
30K20M
8:01/mi
10:54 split
21M
2:32:01
Rank: #5601 (-134)
20M21M
9:14/mi
9:14 split
35K· 21.75 mi
2:38:48
Rank: #5846 (-245)
21M35K
9:04/mi
6:47 split
23M
2:51:05
Rank: #6320 (-474)
35K23M
9:49/mi
12:17 split
24M
3:00:02
Rank: #6500 (-180)
23M24M
8:57/mi
8:57 split
40K· 24.85 mi
3:07:46
Rank: #6615 (-115)
24M40K
9:03/mi
7:44 split
25.2M
3:11:07
Rank: #6671 (-56)
40K25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:19:31
Rank: #6775 (-104)
25.2MFinish
8:15/mi
8:24 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0321:366:5721:36
6:57
-
10K
6.21 mi11:09:3443:076:5621:31
6:56
-0:01
15K
9.32 mi11:31:031:04:366:5621:29
6:55
-0:01
20K
12.43 mi11:52:471:26:206:5721:44
7:00
+0:05
Half
13.11 mi11:57:281:31:016:574:41
6:52
-0:08
25K
15.53 mi12:14:491:48:226:5917:21
7:09
+0:17
30K
18.64 mi12:38:202:11:537:0423:31
7:34
+0:25
20M
20.00 mi12:49:142:22:477:0810:54
8:01
+0:27
21M
21.00 mi12:58:282:32:017:149:14
9:14
+1:13
35K
21.75 mi13:05:152:38:487:186:47
9:04
-0:10
23M
23.00 mi13:17:322:51:057:2612:17
9:49
+0:45
24M
24.00 mi13:26:293:00:027:308:57
8:57
-0:52
40K
24.85 mi13:34:133:07:467:337:44
9:03
+0:06
25.2M
25.20 mi13:37:343:11:077:353:21
9:43
+0:40
Finish
26.22 mi13:45:583:19:317:378:24
8:15
-1:28

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:52 /mi

Average Pace

7:37 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:22

54% of race

Time at Steady Pace

42:49

21% of race

Time at Slower Pace

48:20

24% of race

Average Pace: 7:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:48:0321:366:5721:36
6:57
#6745
10K
6.21 mi11:09:3443:076:5621:31
6:56
#6421
15K
9.32 mi11:31:031:04:366:5621:29
6:55
#6151
20K
12.43 mi11:52:471:26:206:5721:44
7:00
#5841
Half
13.11 mi11:57:281:31:016:574:41
6:52
#5785
25K
15.53 mi12:14:491:48:226:5917:21
7:09
#5581
30K
18.64 mi12:38:202:11:537:0423:31
7:34
#5438
20M
20.00 mi12:49:142:22:477:0810:54
8:01
#5467
21M
21.00 mi12:58:282:32:017:149:14
9:14
#5601
35K
21.75 mi13:05:152:38:487:186:47
9:04
#5846
23M
23.00 mi13:17:322:51:057:2612:17
9:49
#6320
24M
24.00 mi13:26:293:00:027:308:57
8:57
#6500
40K
24.85 mi13:34:133:07:467:337:44
9:03
#6615
25.2M
25.20 mi13:37:343:11:077:353:21
9:43
#6671
Finish
26.22 mi13:45:583:19:317:378:24
8:15
#6775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6745599059905670(Top 22%)5143(Top 35%)5143(Top 232%)
10K6.21 mi3.10 mi6421+3245733+2575733+2576174(Top 24%)5541(Top 38%)5541(Top 250%)
15K9.32 mi3.11 mi6151+2705538+1955538+1955670(Top 22%)5143(Top 35%)5143(Top 232%)
20K12.43 mi3.11 mi5841+3105279+2595279+2595226(Top 20%)4754(Top 33%)4754(Top 214%)
Half13.11 mi0.68 mi5785+565230+495230+494975(Top 19%)4552(Top 31%)4552(Top 205%)
25K15.53 mi2.42 mi5581+2045058+1725058+1725093(Top 20%)4546(Top 31%)4546(Top 205%)
30K18.64 mi3.11 mi5438+1434887+1714887+1715444(Top 21%)4648(Top 32%)4648(Top 210%)
20M20.00 mi1.36 mi5467-294880+74880+76887(Top 27%)5367(Top 37%)5367(Top 242%)
21M21.00 mi1.00 mi5601-1344949-694949-699613(Top 38%)6571(Top 45%)6571(Top 296%)
35K21.75 mi0.75 mi5846-2455105-1565105-15613579(Top 53%)8428(Top 58%)8428(Top 380%)
23M23.00 mi1.25 mi6320-4745389-2845389-28414758(Top 58%)8920(Top 61%)8920(Top 402%)
24M24.00 mi1.00 mi6500-1805470-815470-8111855(Top 46%)7490(Top 51%)7490(Top 338%)
40K24.85 mi0.85 mi6615-1155496-265496-2611030(Top 43%)6927(Top 48%)6927(Top 312%)
25.2M25.20 mi0.35 mi6671-565509-135509-139607(Top 38%)6127(Top 42%)6127(Top 276%)
Finish26.22 mi1.02 mi6775-1045547-385547-389964(Top 39%)6431(Top 44%)6431(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5670

Males

5143

M45-49

5143

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6174

Males

5541

M45-49

5541

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5670

Males

5143

M45-49

5143

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5226

Males

4754

M45-49

4754

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4975

Males

4552

M45-49

4552

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5093

Males

4546

M45-49

4546

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5444

Males

4648

M45-49

4648

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6887

Males

5367

M45-49

5367

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9613

Males

6571

M45-49

6571

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

13579

Males

8428

M45-49

8428

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14758

Males

8920

M45-49

8920

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11855

Males

7490

M45-49

7490

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11030

Males

6927

M45-49

6927

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9607

Males

6127

M45-49

6127

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

9964

Males

6431

M45-49

6431

Passing Analysis

Category:
Athletes Passed
1990
Passed By
2020
Net Change
-30
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6745
5K10K39268+324#6745#6421
10K15K30232+270#6421#6151
15K20K34636+310#6151#5841
20KHalf615+56#5841#5785
Half25K24844+204#5785#5581
25K30K269126+143#5581#5438
30K20M87116-29#5438#5467
20M21M62196-134#5467#5601
21M35K28273-245#5601#5846
35K23M28502-474#5846#6320
23M24M41221-180#6320#6500
24M40K63178-115#6500#6615
40K25.2M2480-56#6615#6671
25.2MFinish39143-104#6671#6775
TOTALS19902020-30
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing